JIS G4404 SKD11 vs DIN EN ISO 4957 1.2379

Minimal Match — 54.7% match based on chemical composition and mechanical property overlap.

JIS G4404 SKD11 (JIS G4404:2006) and DIN EN ISO 4957 1.2379 (DIN EN ISO 4957:2018-11) are both steel grades. Both fall under the Tool & Die Steels category. JIS G4404 SKD11 is typically used for precision blanking dies, cold forming tools, gauges, while DIN EN ISO 4957 1.2379 is commonly used for blanking dies, forming dies, thread rolling dies, punches, shear blades, gauges, broaches, drawing dies. JIS G4404 SKD11 is defined under Japanese Industrial Standards (JIS), originating from Japan, while DIN EN ISO 4957 1.2379 is defined under European Standard (EN), originating from Europe.

As per chemical composition, JIS G4404 SKD11 vs DIN EN ISO 4957 1.2379 is a 82.1% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 54.7%.

Frequently Compared With JIS G4404 SKD11:
EN ISO 683-17 100Cr6 GB/T 1299 4Cr5MoSiV1 GB/T 1299 4Cr5MoSiV EN ISO 4957 1.2316 GOST 5950 3H2W8F GOST 5950 4H5MFS1 GB/T 1299 3Cr2W8V DIN EN ISO 4957 1.2344 GOST 5950 4H5MFS AISI 52100 IS 1570 (Part 6) 103T3 IS 3748 103T3
Match Breakdown
CHEMISTRY MATCH
82.1%
MECHANICAL MATCH
0%
OVERALL
54.7%
Specifications
Property JIS G4404 SKD11 DIN EN ISO 4957 1.2379
Standard JIS G4404:2006 DIN EN ISO 4957:2018-11
Category Tool & Die Steels Tool & Die Steels
C (%) 1.40-1.60 1.50–1.60
Si (%) <=0.40 0.10–0.40
Mn (%) <=0.60 0.25–0.60
Cr (%) 11.00-13.00 11.00–13.00
Mo (%) 0.80-1.20 0.70–1.00
V (%) 0.20-0.50 0.80–1.10
S (%) Not specified ≤0.030
P (%) Not specified ≤0.030
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property JIS G4404 SKD11 DIN EN ISO 4957 1.2379
Hardness HRC (hardened) 58-62 Not specified
Hardness HB (annealed) <=255 Not specified
Hardness (annealed) Not specified ≤255 HB
Hardness (hardened) Not specified 58–62 HRC
Compressive Strength Not specified 2600 MPa
Typical Applications
JIS G4404 SKD11
Precision blanking dies, cold forming tools, gauges
DIN EN ISO 4957 1.2379
Blanking dies, forming dies, thread rolling dies, punches, shear blades, gauges, broaches, drawing dies
Key Differences
Can JIS G4404 SKD11 Be Substituted With DIN EN ISO 4957 1.2379?
JIS G4404 SKD11 and DIN EN ISO 4957 1.2379 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
Forms & Sizes Available on M-EX
JIS G4404 SKD11
Round Bar → (3 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2500–3000 mm (98.43–118.11 in)
DIN EN ISO 4957 1.2379
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2800–3300 mm (110.24–129.92 in)
On M-EX Right Now
JIS G4404 SKD11
3 active listings and RFQs →
DIN EN ISO 4957 1.2379
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4404 SKD11 and DIN EN ISO 4957 1.2379?
DIN EN ISO 4957 1.2379 specifies S, P which are not specified for JIS G4404 SKD11.
Can JIS G4404 SKD11 be substituted with DIN EN ISO 4957 1.2379?
JIS G4404 SKD11 and DIN EN ISO 4957 1.2379 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.